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Torsten Wiesel (1924– )
By: Dina A. Lienhard
| Published: Sep 13, 2017
Torsten Nils Wiesel studied visual information processing and development in the US during the twentieth century. He performed multiple experiments…
VisionVisual pathwaysNobel Prize winnersNeural networks (Neurobiology)Neural Receptors
Gertrude Belle Elion (1918–1999)
By: Eboni E. Andersun
| Published: May 23, 2024
Gertrude Belle Elion was a twentieth-century scientist in the US who researched the structure of viral DNA to help develop anti-viral medications.…
AcyclovirHerpesvirus 1, HumanHerpesvirus 2, HumanDNA, ViralHIV (Viruses)
Germ Layers
By: Kate MacCord
| Published: Sep 17, 2013
A germ layer is a group of cells in an embryo that interact with each other as the embryo develops and contribute to the formation of all organs and…
GastrulationEmbryologyCell differentiationEmbryosCells
The Role of the Notch signaling pathway in Somitogenesis
By: Justin M. Wolter
| Published: Mar 23, 2014
Among other functions, the Notch signaling pathway contributes to the development of somites in animals. It involves a cell signaling mechanism with…
Notch genesNotch ProteinsReceptors, NotchNotch Receptors
Wolbachia
By: Karine Prevot
| Published: Jan 29, 2015
Bacteria of the genus Wolbachia are bacteria that live within the cells of their hosts. They infect a wide range of arthropods (insects, arachnids…
WolbachiaBacteriaHost-bacteria relationshipsHost-parasite relationshipsArthropods
Michael R. Harrison (1943– )
By: Risa Aria Schnebly, Brianna Ellis
| Published: Aug 04, 2021
Michael R. Harrison worked as a pediatric surgeon in the US throughout the late-twentieth century and performed many fetal surgeries, including one…
Birth DefectsAbnormalities, HumanPediatric surgeonsMyelomeningoceleSpinal Dysraphism
Mechanistic Realization of the Turtle Shell
By: Guido Caniglia
| Published: Oct 10, 2011
Turtle morphology is unlike that of any other vertebrate. The uniqueness of the turtle's bodyplan is attributed to the manner in which the turtle's…
TurtlesEvolutionMorphology
Morphogenesis
By: Mary E. Sunderland
| Published: May 09, 2008
The term morphogenesis generally refers to the processes by which order is created in the developing organism. This order is achieved as…
Morphogenesisdifferentiation
Purkinje Cells
By: Minai Mandana
| Published: Aug 12, 2014
Purkinje cells, also called Purkinje neurons, are neurons in vertebrate animals located in the cerebellar cortex of the brain. Purkinje cell bodies…
Purkinje CellsCerebellar CortexcerebellumBrain Stem